A seasoned military commander travels to another world to find the metal that brings power, and ends up bringing down a barbaric empire.
Randall Garrett was known for his skill in writing adventure science fiction, alternate world fantasy mysteries, and stories full of great humor and horrible puns. This story, first published in Astounding in March 1959 under the pseudonym "David Gordon", is truly characteristic of his body of work.
Complete in 5 parts.
For more public domain audiobooks, stop by marialectrix.wordpress.com.